Pooch's interaction with Ranveer suggests that he will produce a fake DNA report that shows him to be the baby's father. Does that mean that JW is the real papa? Not necessarily. Maybe by the time Pooch gets the "real report" it would already have been doctored by Pia to show that JW is the papa, so Pooch would be essentially falsifying a false report.
I am still sticking to my stand that J-P did not do it and JW fainted in Pia's arms with ILU Bani on his lips. But let's assume that he did do it and is the papa of reptile's frog does it mean he is guilty. IMHO, no. If he did it under the influence of drugs, plainly he has been raped and does not count as adultery. And he is no more guilty than would be a woman who has been raped under the influence of drugs.
Rgds,
Priyanka